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Ac blowing hot air

tam7789tam7789 Member Posts: 1
edited May 2016 in Buick
My ac starting blowing hot airair, doesn't get cold at all... I bought a can of r-134 a refrigerate but I can't get the end that goes on the low pressure port to go on ...there is a little pin like thing in the middle of the low pressure port and in the middle of the refrigerate hose.


  • 11255thave_11255thave_ Member Posts: 26
    2010 Toyota matrix AWD.........AC IS BLOWING HOT AIR.....
    I tried putting in r134 but the pressure was fine and didn't take any refrigerant for 10 mins
    I checked the dash fuse not blown
    I checked the AC power fuses in the engine compartment and they show green thru the window for the 30A and the 40A fuses

    Don't know what to do next??
    Any ideas?
    Thanks Al
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